Bio 201 exam 4 comprehensive Questions
and Answers with Verified Solutions
Question 1:
Cytosine makes up 42% of the nucleotides in a sample of DNA from an
organism. Approximately what % of the nucleotides in this sample will be
thymine?
Answer:
8%
Question 2:
How do we describe transformation in bacteria?
Answer:
assimilation of external DNA into a cell
Question 3:
In eukaryotic cells, chromosomes are composed of
Answer:
DNA and proteins
Question 4:
What is the final result of mitosis in a human?
Answer:
genetically identical 2n somatic cells
, Question 5:
The first gap in the cell cycle (G1) corresponds to _____. normal growth
and cell
Answer:
function
Question 6:
After telophase I of meiosis, the chromosomal makeup of each daughter
cell is
Answer:
haploid, and the chromosomes are each composed of two chromosomes
Question 7:
The microtubule-organizing center found in animal cells is an identifiable
structure present during all phases of the cell cycle. Specifically, it is
known as the
Answer:
centrosome
Question 8:
In human and many other eukaryotic species' cells, the nuclear
membrane has to disappear to permit _____.
Answer:
the attachment of microtubules to kinetochores
Question 9:
The mitotic spindle is a microtubular structure that is involved in
Answer:
separation of sister chromatids
and Answers with Verified Solutions
Question 1:
Cytosine makes up 42% of the nucleotides in a sample of DNA from an
organism. Approximately what % of the nucleotides in this sample will be
thymine?
Answer:
8%
Question 2:
How do we describe transformation in bacteria?
Answer:
assimilation of external DNA into a cell
Question 3:
In eukaryotic cells, chromosomes are composed of
Answer:
DNA and proteins
Question 4:
What is the final result of mitosis in a human?
Answer:
genetically identical 2n somatic cells
, Question 5:
The first gap in the cell cycle (G1) corresponds to _____. normal growth
and cell
Answer:
function
Question 6:
After telophase I of meiosis, the chromosomal makeup of each daughter
cell is
Answer:
haploid, and the chromosomes are each composed of two chromosomes
Question 7:
The microtubule-organizing center found in animal cells is an identifiable
structure present during all phases of the cell cycle. Specifically, it is
known as the
Answer:
centrosome
Question 8:
In human and many other eukaryotic species' cells, the nuclear
membrane has to disappear to permit _____.
Answer:
the attachment of microtubules to kinetochores
Question 9:
The mitotic spindle is a microtubular structure that is involved in
Answer:
separation of sister chromatids
